package com.itheima.thread.Demo7;

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class Ticket implements Runnable {
    private int ticket = 100;
    Lock lock = new ReentrantLock();

    @Override
    public void run() {
        while (true) {
            try {
                lock.lock();
                if (ticket == 0) {
                    break;
                } else {
                    Thread.sleep(100);
                    ticket--;
                    System.out.println(Thread.currentThread().getName() + "正在买票,还剩" + ticket + "张票");
                }
            } catch (Exception e) {

            } finally {
                lock.unlock();
            }
        }
    }
}
